Home / 141,259.77-194,937.59-76,728.35

Finding the Fourth Proportional to 141,259.77, 194,937.59 and 76,728.35

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Solution

The fourth proportional to 141,259.77, 194,937.59 and 76,728.35 is: 105,884.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,259.77 : 194,937.59 = 76,728.35 : x
  2. Step 2: Convert to fraction form
    141,259.77/194,937.59 = 76,728.35/x
  3. Step 3: Cross multiply
    141,259.77x = 194,937.59 × 76,728.35
  4. Step 4: Simplify right side
    141,259.77x = 14,957,238,275.35
  5. Step 5: Solve for x
    x = 14,957,238,275.35/141,259.77
  6. Step 6: Final answer
    x = 105,884.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.